CN213892695U - Rear engine room bottom surface backplate and vehicle - Google Patents
Rear engine room bottom surface backplate and vehicle Download PDFInfo
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- CN213892695U CN213892695U CN202022320299.2U CN202022320299U CN213892695U CN 213892695 U CN213892695 U CN 213892695U CN 202022320299 U CN202022320299 U CN 202022320299U CN 213892695 U CN213892695 U CN 213892695U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/82—Elements for improving aerodynamics
Abstract
The utility model discloses a back cabin bottom surface backplate and vehicle, back cabin bottom surface backplate includes: the automobile body, evenly distributed has a plurality of vortex recesses on the backplate body, the notch of vortex recess sets up to the automobile body dorsad. The utility model discloses a back cabin bottom surface backplate and vehicle through installation back cabin bottom surface backplate, reduces car afterbody pressure differential resistance to reduce whole car windage.
Description
Technical Field
The utility model relates to a vehicle windage technical field, more specifically relates to a back cabin bottom surface backplate and vehicle.
Background
In the running process of the vehicle, the vehicle collides with surrounding air to form wind resistance, the wind resistance of the vehicle comes from the head-on resistance of the vehicle head and the differential pressure resistance of the vehicle tail, the pressure in front of the vehicle is large, and the pressure behind the vehicle is small, namely the wind resistance. When the vehicle runs at low speed, air basically flows along the vehicle body, and the resistance is basically influenced by gas viscosity resistance. When the vehicle runs at high speed, the air is separated after a section of the air is attached to the vehicle body, a boundary layer separation phenomenon is generated, and two eddy air flows in opposite directions are generated. The smoother the vehicle surface separates the earlier, the greater the front-to-back pressure differential is created.
In the process of driving, the airflow passes through the roof and forms a vacuum area after reaching the tail of the vehicle, so that the air pressure difference between the front and the rear is caused, and resistance is formed to hinder the driving of the vehicle. Nowadays, through the intensive research on the wind resistance, the related data show that when the vehicle speed reaches 80km/h, 60% of energy consumption is used for resisting the wind resistance, and the 10% of wind resistance is reduced, so that 7% of energy consumption can be saved, besides the energy consumption, the wind resistance coefficient is low, the noise can be reduced, and the riding comfort is improved.
Therefore, a rear cabin under-floor guard and a vehicle are required to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a back cabin bottom surface backplate and vehicle reduces car afterbody pressure differential resistance through installation back cabin bottom surface backplate to reduce whole car windage.
Based on above-mentioned purpose the utility model provides a pair of back cabin bottom surface backplate, include:
the automobile body, evenly distributed has a plurality of vortex recesses on the backplate body, the notch of vortex recess sets up to the automobile body dorsad.
Adopt above-mentioned back cabin bottom surface backplate, the backplate body provides the guide effect for the air current that flows through, and when the notch of air current through the vortex recess, gaseous vortex that produces makes the gas separation effect weaken, and the scope reduces between rear of a vehicle portion air-out top and the bottom, reduces car afterbody pressure differential resistance, pressure differential around reducing to reduce whole car windage.
Preferably, a plurality of the turbulence grooves are distributed on the guard plate body in an array. Through the distribution mode who sets up the vortex recess, guarantee good even vortex effect.
Preferably, the diameter of each turbulent flow groove is not less than the distance between two adjacent turbulent flow grooves. Through the distribution mode who sets up the vortex recess, guarantee good vortex effect, guarantee sufficient structural strength simultaneously.
Preferably, the cross section of the turbulent flow groove is at least one of a circle, an ellipse and a polygon. Through the shape of injecing the vortex recess, can reduce the preparation degree of difficulty, guarantee the vortex effect simultaneously.
Preferably, the polygon is at least one of a rectangle and a regular polygon.
Preferably, the method further comprises the following steps: the mounting pieces are arranged in the mounting holes in a penetrating mode and are connected with the guard plate body on the vehicle body. Through setting up the installed part, install the backplate body on the automobile body, can provide good equipment intensity, easily installation and dismantlement.
Preferably, the guard plate body comprises a vehicle body connecting plate, a transition plate and a vehicle tail connecting plate which are sequentially connected from bottom to top, and the transition plate is used for realizing smooth transition of the vehicle body connecting plate and the vehicle tail connecting plate. Through the shape that sets up the backplate body, can stable installation on the automobile body, and play good direction drainage effect.
Preferably, the method further comprises the following steps: at least one drainage channel, every drainage channel sets up on the vehicle body connecting plate. Through setting up drainage channel, the back cabin is intake or the comdenstion water that produces can in time be discharged.
Preferably, the drain passage is provided at the lowest of the vehicle body attachment plates. The drainage channel is arranged at the lowest position of the vehicle body connecting plate, and the flowing water is gathered towards the lower position and is easy to discharge.
In addition, preferably, the apron body is made of a metal material or a plastic material. The guard board body is made of a metal plate or a plastic plate, is easy to form and has stable performance.
The utility model discloses still provide a vehicle, the vehicle includes like foretell back cabin bottom surface backplate. The vehicle adopts above-mentioned back cabin bottom surface backplate, and the backplate body provides the guide effect for the air current that flows through, and when the notch of air current process vortex recess, gaseous vortex that produces makes the gas separation effect weaken, and the scope reduces between rear of a vehicle portion air-out top and the bottom, reduces car afterbody pressure differential resistance, pressure differential around reducing to reduce whole car windage.
From the foregoing, the utility model provides a back cabin bottom surface backplate and vehicle compares with prior art, has following advantage: adopt above-mentioned back cabin bottom surface backplate, the backplate body provides the guide effect for the air current that flows through, and when the notch of air current through the vortex recess, gaseous vortex that produces makes the gas separation effect weaken, and the scope reduces between rear of a vehicle portion air-out top and the bottom, reduces car afterbody pressure differential resistance, pressure differential around reducing to reduce whole car windage.
Drawings
The above features and technical advantages of the present invention will become more apparent and readily appreciated from the following description of the embodiments thereof, taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic view of a rear nacelle floor guard employed in an embodiment of the present invention.
Wherein the reference numbers:
10. a rear engine room bottom surface guard plate; 1. a guard plate body; 2. mounting holes; 3. a turbulent flow groove; 4. a drainage channel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The terms "inner" and "outer" are used to refer to directions toward and away from, respectively, the geometric center of a particular component.
Fig. 1 is a schematic view of a rear nacelle floor guard employed in an embodiment of the present invention. As shown in fig. 1, the rear nacelle floor panel 10 includes a panel body 1.
Evenly distributed has a plurality of vortex recesses 3 on the backplate body 1, and the notch of vortex recess 3 sets up to the automobile body dorsad.
Install backplate body 1 in the bottom in rear engine room, extend from automobile body side direction car tail side, backplate body 1 provides the guide effect for the air current of flowing through, produces the vortex when the air current passes through the notch of backplate body 1's vortex recess 3.
Adopt above-mentioned back cabin bottom surface backplate, backplate body 1 provides the guide effect for the air current that flows through, produces the vortex when the air current passes through the notch of vortex groove 3, makes the gas separation effect weaken, and the scope reduces between rear of a vehicle portion air-out top and the bottom, reduces car afterbody pressure differential resistance, pressure differential around reducing to reduce whole car windage.
In this embodiment, vortex recess 3 and backplate body 1 are integrated into one piece structure, simple structure, easily preparation.
In this embodiment, evenly distributed has a plurality of to the convex arch of automobile body one side on the backplate body 1, and vortex recess 3 is seted up in the arch.
Preferably, a plurality of turbulent flow grooves 3 are distributed on the guard plate body 1 in an array. Through the distribution mode who sets up vortex recess 3, guarantee good even vortex effect.
In this embodiment, backplate body 1 is symmetrical structure along width direction's central line, and a plurality of vortex recesses 3 are the array distribution in backplate body 1's border shape, and a plurality of vortex recesses 3 are symmetrical distribution along width direction's central line.
Preferably, the diameter of the spoiler groove 3 is not smaller than the distance between two adjacent spoiler grooves 3. Through the distribution mode who sets up vortex recess 3, guarantee good vortex effect, guarantee sufficient structural strength simultaneously.
In the present embodiment, each spoiler groove 3 has the same size, and the diameter of each spoiler groove 3 is equal to the distance between two adjacent spoiler grooves 3, such as 10-20 mm.
Preferably, the cross-section of the turbulent flow groove 3 is at least one of circular, elliptical and polygonal. Further preferably, the polygon is at least one of a rectangle and a regular polygon. Through the shape of injecing vortex recess 3, can reduce the preparation degree of difficulty, guarantee the vortex effect simultaneously.
The turbulence grooves 3 of different shapes have slightly different effects, in this embodiment, each turbulence groove 3 has the same structure, and the turbulence grooves 3 are circular grooves or hexagonal grooves.
Preferably, the method further comprises the following steps: a plurality of installed parts, the circumference evenly distributed of backplate body has a plurality of mounting hole, and the mounting hole is worn to locate by the installed part to with this body coupling of backplate on the automobile body. Place backplate body 1 in appointed installation department, wear to establish the installed part in mounting hole 2 to realize connecting. Through setting up the installed part, install backplate body 1 on the automobile body, can provide good equipment intensity, easily installation and dismantlement.
In the present embodiment, the mounting member includes, but is not limited to, a bolt structure, and the mounting hole 2 includes, but is not limited to, a screw hole. The mounting holes 2 are uniformly distributed along the circumferential edge of the guard plate body 1.
In this embodiment, the mounting hole 2 and the spoiler groove 3 may adopt the same structure, except that the mounting hole 2 is a through arrangement.
Preferably, the guard plate body 1 comprises a vehicle body connecting plate, a transition plate and a vehicle tail connecting plate which are sequentially connected from bottom to top, and the transition plate is used for realizing smooth transition of the vehicle body connecting plate and the vehicle tail connecting plate. The automobile body connecting plate is connected with the automobile body laminating, and the rear of a vehicle connecting plate is connected with the rear of a vehicle laminating, and the transition board is used for realizing the rounding off from the automobile body to the rear of a vehicle. Through the shape that sets up the backplate body, can stable installation on the automobile body, and play good direction drainage effect.
In this embodiment, the automobile body connecting plate is square board, crosses the cab apron and is the arc, and rear of a vehicle connecting plate is square board.
In this embodiment, the vehicle body connecting plate and the transition plate have the same width, the width of the vehicle tail connecting plate is greater than the widths of the vehicle body connecting plate and the vehicle tail connecting plate, the transition plate is used for achieving smooth transition of the height difference between the vehicle body connecting plate and the vehicle tail connecting plate, and the transition plate is also used for achieving smooth transition of the width difference between the vehicle body connecting plate and the vehicle tail connecting plate.
Preferably, the method further comprises the following steps: at least one drainage channel 4, each drainage channel 4 is arranged on the vehicle body connecting plate. Through setting up drainage channel, the back cabin is intake or the comdenstion water that produces can in time be discharged.
In this embodiment, the drainage channel 4 is one, or a plurality of drainage channels may be provided according to the installation environment and distributed on one of the vehicle body connection plate, the transition plate, and the vehicle tail connection plate.
Preferably, the drain passage 4 is provided at the lowest of the vehicle body attachment plates. When backplate body 1 installed on the automobile body, the automobile body connecting plate is nearest ground, sets up drainage channel 4 in the lower of automobile body connecting plate, and the flowing water is to low the convergence, easily discharges.
In the present embodiment, the drain passage 4 is provided in the middle of the vehicle body attachment plate, and extends in the width direction of the vehicle body attachment plate. The drainage channel 4 is arranged between two adjacent rows of turbulence grooves 3, and a gap is reserved between the drainage channel and the turbulence grooves 3 on two sides.
In the present embodiment, the drainage channel 4 includes, but is not limited to, a strip-shaped hole, a square-shaped hole, or a kidney-shaped hole.
In addition, the apron body 1 is preferably made of a metal material or a plastic material. The guard board body 1 is made of a metal plate or a plastic plate, is easy to form and has stable performance.
The use of the rear nacelle floor fender is described further below.
The mounting part is worn to locate in mounting hole 2, installs backplate body 1 in rear engine room one side, and the air current flows to rear of a vehicle connecting plate one side from automobile body connecting plate through the cab apron, and the air current produces the vortex when flowing through backplate body 1 surface, vortex groove 3's notch. Once the rear cabin is flooded or the condensate produced can be drained off in time through the drainage channel 4.
The utility model discloses still provide a vehicle, the vehicle includes like foretell back cabin bottom surface backplate.
The vehicle adopts above-mentioned back cabin bottom surface backplate, and the backplate body provides the guide effect for the air current that flows through, and when the notch of air current process vortex recess, gaseous vortex that produces makes the gas separation effect weaken, and the scope reduces between rear of a vehicle portion air-out top and the bottom, reduces car afterbody pressure differential resistance, pressure differential around reducing to reduce whole car windage.
In the embodiment, the front part of the vehicle body is provided with a front cabin bottom surface guard plate, and the tail part of the vehicle body is provided with a rear cabin bottom surface guard plate.
As can be seen from the above description and practice, the present invention provides a rear cabin bottom surface guard plate and a vehicle, which have the following advantages compared with the prior art: adopt above-mentioned back cabin bottom surface backplate, the backplate body provides the guide effect for the air current that flows through, and when the notch of air current through the vortex recess, gaseous vortex that produces makes the gas separation effect weaken, and the scope reduces between rear of a vehicle portion air-out top and the bottom, reduces car afterbody pressure differential resistance, pressure differential around reducing to reduce whole car windage.
Those of ordinary skill in the art will understand that: the above description is only for the specific embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A rear nacelle floor guard, comprising:
the automobile body, evenly distributed has a plurality of vortex recesses on the backplate body, the notch of vortex recess sets up to the automobile body dorsad.
2. The aft nacelle floor covering as defined in claim 1, wherein:
the turbulent flow grooves are distributed on the guard plate body in an array mode.
3. The aft nacelle floor covering as defined in claim 2, wherein:
the diameter of each turbulence groove is not smaller than the distance between every two adjacent turbulence grooves.
4. The rear nacelle floor panel as claimed in claim 2 or 3, wherein:
the transverse section of the turbulent flow groove is at least one of a circle, an ellipse and a polygon.
5. The aft nacelle floor covering as defined in claim 4, wherein:
the polygon is at least one of a rectangle and a regular polygon.
6. The rear nacelle floor panel as claimed in any one of claims 1 to 3, wherein:
further comprising: the mounting pieces are arranged in the mounting holes in a penetrating mode and are connected with the guard plate body on the vehicle body.
7. The rear nacelle floor panel as claimed in any one of claims 1 to 3, wherein:
the guard plate body comprises a vehicle body connecting plate, a transition plate and a vehicle tail connecting plate which are sequentially connected from bottom to top, and the transition plate is used for realizing smooth transition of the vehicle body connecting plate and the vehicle tail connecting plate.
8. The aft nacelle floor covering as defined in claim 7, wherein:
further comprising: at least one drainage channel, every drainage channel sets up on the vehicle body connecting plate.
9. The aft nacelle floor covering as defined in claim 8, wherein:
the drainage channel is arranged at the lowest position of the vehicle body connecting plate.
10. The aft nacelle floor covering as defined in claim 9, wherein:
the guard plate body is made of metal materials or plastic materials.
11. A vehicle, characterized in that: the vehicle comprising a rear cabin under-floor fender according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022320299.2U CN213892695U (en) | 2020-10-16 | 2020-10-16 | Rear engine room bottom surface backplate and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022320299.2U CN213892695U (en) | 2020-10-16 | 2020-10-16 | Rear engine room bottom surface backplate and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213892695U true CN213892695U (en) | 2021-08-06 |
Family
ID=77113325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022320299.2U Active CN213892695U (en) | 2020-10-16 | 2020-10-16 | Rear engine room bottom surface backplate and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213892695U (en) |
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2020
- 2020-10-16 CN CN202022320299.2U patent/CN213892695U/en active Active
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